Patent Assignment
Reel/Frame 022902/0740
Assignment of Assignor's Interest
Recorded: 2009-07-02
Pages: 7
Assignor
NQL ENERGY SERVICES CANADA LTD.
Executed: 2004-07-30
Assignee
SMITH INTERNATIONAL CANADA, LTD.
1600, 335-8TH AVENUE S.W., CALGARY, ALBERTA, T2P 1C9, CANADA
Covered Properties
(2)
Method and Apparatis Fpr Retrieving Downhole Tools
Patent:
5,971,078 →
Application:
08/839,573 →
One Trip Milling System
Patent:
6,302,198 →
Application:
09/450,835 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 15, 1997
From: RITORTO, LEONARDO; HEINLEY, DAVE L.
To: CANADIAN DOWNHOLE DRILL SYSTEMS INC.
Reel/Frame 008507/0514 →
Assignment of Assignor's Interest
Feb 28, 2000
From: RITORTO, LEONARDO; HEINLEY, DAVE L.
To: CANADIAN DOWNHOLE DRILL SYSTEMS, INC.
Reel/Frame 010584/0019 →
Security Agreement
Sep 12, 2003
From: CANADIAN DOWNHOLE DRILL SYSTEMS INC.
To: CANADIAN IMPERIAL BANK OF COMMERCE
Reel/Frame 014506/0446 →
Assignment of Assignor's Interest
Jul 23, 2004
From: CANADIAN DOWNHOLE DRILL SYSTEMS INC.
To: NQL ENERGY SERVICES CANADA LTD.
Reel/Frame 014892/0194 →
Assignment of Assignor's Interest
Jan 3, 2020
From: SMITH INTERNATIONAL, INC.
To: WELLBORE INTEGRITY SOLUTIONS LLC
Reel/Frame 051470/0680 →
Abl Patent Security Agreement
Mar 17, 2020
From: WELLBORE INTEGRITY SOLUTIONS LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 052184/0900 →
Release of Security Interest
Jul 20, 2021
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: WELLBORE INTEGRITY SOLUTIONS LLC
Reel/Frame 056910/0165 →